tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / scripts / gcc-plugins / gen-random-seed.sh
at v5.15-rc2 9 lines 305 B view raw
1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3 4if [ ! -f "$1" ]; then 5 SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'` 6 echo "const char *randstruct_seed = \"$SEED\";" > "$1" 7 HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'` 8 echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2" 9fi